code: def _hue(weight):
      # type: (float) -> float
      return 120 if weight > 0 else 0
  
imports: from __future__ import absolute_import
  from itertools import groupby
  from typing import List, Optional, Tuple
  import numpy
  from jinja2 import Environment, PackageLoader
  from eli5 import _graphviz
  from eli5.base import Explanation, TargetExplanation, FeatureWeights, FeatureWeight
  from eli5.utils import max_or_0
  from .utils import format_signed, format_value, format_weight, has_any_values_for_weights, replace_spaces, should_highlight_spaces
  from .None import fields
  from .features import FormattedFeatureName
  from .trees import tree2text
  from .text_helpers import prepare_weighted_spans, PreparedWeightedSpans
label_desc: Use image node_id 9 for calling a global function with example usage: _hue(weight) and returns: unknown